import axios from 'axios'
import { Loading } from 'element-ui';
let loading;
 
const startLoading = () => {
  loading = Loading.service({
    lock: true,
    text: '加载中……',
    background: 'rgba(255, 255, 255, 0)'
  });
};
 
const endLoading = () => {
  loading.close();
};
const service = axios.create({
  baseURL: process.env.NODE_ENV === 'production' ?  process.env.VUE_APP_BASE_API : '',
  timeout: 5000
})

// request interceptor
service.interceptors.request.use(
  config => {
    startLoading()
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    if (res.code != 0) {
      endLoading()
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      endLoading()
      return res
    }
    // // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {


    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login

    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    //   return res
    // }

  },
  error => {
    console.log('err' + error) // for debug

    return Promise.reject(error)
  }
)

export default service